2 years ago

Question 1 -What number in the equation below would be the coefficient?

Mathematics

1 answer:

tangare [24]2 years ago

7 0

Answer:

Step-by-step explanation:

coefficient is the number next to the variable.

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Put these numbers in order from least to greatest.7, -2/25, 14/40

liberstina [14]

i am pretty sure it is -2/25, 14/40, 7

Step-by-step explanation:

7 0

3 years ago

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Miss penny inherits £650. She decides to save some of the money and spend the rest. The ratio of saving to spending money is 9:4

blsea [12.9K]

Answer:

Saving=£450

Spent=£200

Step-by-step explanation:

Ratio of saving to spending is 9:4

She inherits £650

So to determine her saving

It will be

9+4=13

Since her saving is 9

So, 9/13 × 650

5850/13

=450

So her saving is£450

To determine what she spent

4/13 × 650

2600/13

200

Saving=£450

Spent=£200

3 0

2 years ago

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Find the sum of the given arithmetic series. 24 + 48 + 72 + 96 +...+ 480

Alja [10]

Answer:

5040

Step-by-step explanation:

The given series is :

24 + 48 + 72 + 96 +...+ 480

The first term, a= 24

Common difference, d = 24

The last term, $a_n=480$

Let there are n terms in the AP.

So,

$a_n=a+(n-1)d\\\\480=24+(n-1)24\\\\480=24+24n-24\\\\n=20$

There are 20 terms in the series. The sum of 20 terms is :

$S_{20}=\dfrac{n}{2}(2a+(n-1)d))\\\\=\dfrac{20}{2}\times (2(24)+19(24))\\\\=5040$

So, the sum of the given arithmetic series is equal to 5040.

8 0

2 years ago

Sally gave her brother $3.95 in quarters and dimes. if the number of quarters is 6 more than the number of dimes, how many quart

WARRIOR [948]

13 quarters
q=6+d
25q+10d=395
solve for q and get 13

7 0

3 years ago

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What is the value of the expression (3/7)(-2/5 •9/11)

Alex787 [66]

The answer is 54/385, or 0.14025974025974.

Hope this helps!

7 0

2 years ago